From Wiktionary, the free dictionary
διφθόγγου • (diphthóngou)
- masculine genitive singular of δίφθογγος (díphthongos)
- feminine genitive singular of δίφθογγος (díphthongos)
- neuter genitive singular of δίφθογγος (díphthongos)
διφθόγγου • (diphthóngou) f
- genitive singular of δίφθογγος (díphthongos)